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Finding the Fourth Proportional to 202,373.90, 303,560.85 and 97,138.70

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Solution

The fourth proportional to 202,373.90, 303,560.85 and 97,138.70 is: 145,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,373.90 : 303,560.85 = 97,138.70 : x
  2. Step 2: Convert to fraction form
    202,373.90/303,560.85 = 97,138.70/x
  3. Step 3: Cross multiply
    202,373.90x = 303,560.85 × 97,138.70
  4. Step 4: Simplify right side
    202,373.90x = 29,487,506,339.90
  5. Step 5: Solve for x
    x = 29,487,506,339.90/202,373.90
  6. Step 6: Final answer
    x = 145,708.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.